Improved punch, shears, and iron-shhinker, comeotbd



-being had to the accompanying drawings, and to the eccentric, or double cam for moving the punch and cut in attaching gripes to caps, that may readily be at- "machine is used for cutting and puhching-purposes;

tire-shrinking purposes attached ready for use;

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DENNIS) c. Bunnies, o

F MILTON, WISCONSIN.

Letters Patent No.v 87,464, dated March 2, 1869.

IMPRovED FUNGH, SHEARS, AND IRON-SHRINKER, commun.-

V The Schedule referredA to in these Letters Patent and making part of the name.

To all lwhom it may concern.-

Beit lr'nown that I, DENNIS C. BURmoK, of Milton, Rock county, in thc State of Wisconsin, have invented a new and useful Improvement in a Punch, Shears, and Iron-Shrinker, for cutting, punching,'and shrinking iron and other metals and I do hereby declare that the following is a full and exact description thereof, reference letters of vreference marked thereon, the same letter representing the same part in each figure.

The nature of my invention consists in using a double ting-bar back and forth as the machine is operated; also, inattaching a movable shear or cutter to a horizontal punchbar; also, in attaching a shear or cutter toa movable cap, to be attached to a machine when in use, without the necessity of bolt or screw;` also,

tached to the machine wn\u\sed for shrinking-purposes, and removed, without loss\of time, when the also, in makipg the point 'of a punch lmllow, when used in combination with a horizontal bar;\also, in making the sides of the machine in two parts, so tlat` when put together, they receive the working-mechanism, and the wooden frame on which the machine stands; and also, linthe general arrangements of the parts composing the machine.

Figure 1 is a perspective view, with the gripes for Figure 2 is a longitudinal view of the interior, one of the side-pieces being removed, showing the connection of eccentric and lever with the punch and cutterbar;

Figure 3 is a view of a gripe detached, and giving a reversed view from thatshjown in fig. 1;

Figure 4 is a horizontal section, showing the mode of attaching the shears or cuttin g-ed ges to their places on the machine;

Figure 5 is ahorizontal section of one of the gripes and cap by which it is attached to the machine Figure 6 is a vertical cross-section from w to c, in fi 1;

gFigure 7 is' a horizontal section, showing the punch'- bar, one shear, punch,p\1nchblock, or die, and the aperture for thepunch-chips to free themselves as the machine is operated; and j 4 y Figure 8 is a section, showing the eccentric or cam of a different form from that shown in g. 2.

A and B B compose the frame-work on which the superstructure or machine rests, or any suitable support may be used.

C and D are the sidesdf the machine, in two parts, which, when put together and held by bolts S, con- F- is thepunch-bar, having ``at one end the punch H and shear c, while at the other end ofthe bar, the embossment or projection t' lits the circular groove m, in the eccentric L', the eccentric having itspivot at k.

l Assthelever G is moved, the eccentric and punchbar, with punch Hand shear c, assume the position shown by red lines. g

The aperture J serves to free the chipsmade inpunching iron andother metals.V y

Also, as the punch-bar is moved forward, the gripe formed by K andL for upsetting tire, or other article; is moved also toward the stationary gripe M and N', the gripes being corrugated or toothed, as shown, to hold` the article fast that it is desired to upset.

The vgripe K is attached to the movingbar bymeans of a mortise that fits projection F of the bar F, while the part N, of the gripe M and N', is hollow andl ts itting the recess h, that receives the pu block I, shown in iig; 7.

uch-die or metals, vthe gripes are removed, and the shears b and `cshown more particularly in iig. 4, c being-attached to the bar F, and'b attached to the part P.

Part Ris placed' on parts Cl and D, as shown, Without the need of bolts or pins.

Inl operating the machine as an upsetter, the gripes are placed on the machine, as described. The iron, or other metallic article, after ybeing properly heated, is placed vin the gripes,and fastened by moving the levers 0 O toward each otheigaud then, by moving the lever G, as described, the iron is upset.

To use themachine forpunching, the gripes are removed,.and the die I and punch H are put in their places, as shown in dg. 7, and the operation is performed by moving the leven G, as before described.

The point of the punchmay be made hollow, to facilitate making the perforation.

To use the machineas shears, remove the die and punch. The shear c remains on the punch-bar, not needing to be removed when, used as a punching-machine or as an upsetter. rlhe part P having attached to it the shear b, is slipped to its `place on parts Gand D, as shown in tig. 4, and is used, as before described, by moving lever G. I

Thus, by these slight changesthree machines are produced, each efficient and convenient, and with but little increased ex chine. e

It will be `observed that the eccentric, with its groove m, and theembossment t', o n the bar F, serve'to move the bar as the lever is moved back and forth; also,

tain and support the working-mechanism.

that the eccentric-groove .may be made in an entire the parts U and D, as shown in fig. 5, a part thereof Y When used for cnttingepurposes, as iron and other.

pense more than the cost of one ma4 circle, as in m2, in fig. 8, instead ofthe mzinnershown in iig. 2; also, that the eccentric and -hair/l11 may he operated by the lever G, or in any suitable manner.

I am aware that machines for cutting, punching, and upsetting, have heen made, and do not broadly cicim such combined machine independently of my manner of coirfbining and operating them; but

vWhat I'do claim as my invention, and desire to secure by Letters Patent, is-

The arrangement, upon the stand A., of the centrallybisected parts C D,supporting the bnr F, cam L', and lever Gr, gripes K L, part N, and gripes M N, punch and die H I, movable part; P, and shear c b, the parts being 'adj usted, and all constructed to operate substantinlly as set forth. Y

DENNIS C. BURDIOK. Witnesses W. M. OOLTON, J. S. BLISS. 

